Subaru Impreza loss of power problems

Filed Sep 13, 2026 · Steering · OH

Vehicle Information: 2018 Subaru ImprezaVIN: [XXX] Affected: Steering (Electronic Power Steering / EPS Gear Box Assembly)Description of the Safety Defect:I am reporting a severe safety defect regarding a sudden and total loss of power steering assist while driving my 2018 Subaru Impreza.The Electronic Power Steering (EPS) gear box assembly experienced a catastrophic failure, resulting in an immediate, heavy steering condition that severely impacted my ability to control the vehicle safely. Upon inspection, the EPS gear box housing was found to have suffered structural failure/cracking due to environmental corrosion.This is a well-documented safety hazard for this vehicle generation. Subaru previously issued a voluntary 10-year warranty extension for 2012–2018 models (TSB 04-27-21R) to address this exact housing defect. Additionally, Subaru was forced to issue a mandatory safety recall (the federal safety agency Campaign 19V065000) for 2019 Imprezas due to an immediate loss of power steering assist.My vehicle is an early-production 2018 model, making its manufacturing timeline and parts sourcing highly contiguous with the recalled 2019 fleet and the vehicles covered under the 10-year extension. Subaru of America is currently using a strict internal VIN boundary to deny coverage for my vehicle, even though it suffered the exact same dangerous structural steering failure.I request that the federal safety agency log this failure to track if Subaru's current VIN exclusion limits are overly narrow, leaving structurally defective and unsafe steering components on the road without proper remedy. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed May 29, 2026 · Electrical, Engine · 145,866 miles · WI

The contact owns a 2019 Subaru Impreza. The contact stated while driving 5 MPH, while depressing the accelerator pedal the vehicle loss power. An independent mechanic was contacted. No warning light warning light illuminated. The vehicle was taken an independent mechanic where the diagnosed the coil pack was melted and needed to be replaced. The vehicle was then taken to a dealer where it was diagnosed the coil pack had a shortage. The contact mention this failure has occurred on several different occasions. The vehicle was repaired as the coil pack and wiring was replaced. The contact was relating to the recall to the federal safety agency Campaign Number: 21V264000(ELECTRICAL SYSTEM, ENGINE AND ENGINE COOLING), however the VIN was not included in the recall. The manufacturer was notified of the failure, and they informed her because of the milage there was no recall. The approximate failure mileage was 145,866.

Filed Apr 16, 2026 · Electrical · PA

I am filing a safety complaint regarding an Engine Control Module (ECM) failure in my 2017 Subaru Impreza and the handling of a prior recall repair. Dealership records show that a recall repair (WRE21 – ignition coil recall) was completed in June 2021. At that time, the dealership documented that the ECM calibration was up to date and functioning properly. However, I later experienced a check engine light and drivability concerns. Diagnostic records from February 2026 indicate: •Camshaft slow response codes •Persistent sensor issues •A technician recommendation to replace multiple components, including the ECM, stating that codes were “burned into the ECM” The dealership has since attempted to attribute the ECM failure to “engine sludge” and lack of maintenance. Concern with Dealership Explanation: This explanation is inconsistent and raises serious concerns: •Engine sludge is a mechanical lubrication issue and does not directly cause an ECM (electronic control module) to fail or become “burned.” •The ECM is an electronic unit, and failure typically results from electrical defects, internal faults, or manufacturing issues—not oil sludge. •The dealership has not provided technical evidence showing how sludge could damage or “burn” the ECM. •This appears to be an attempt to shift responsibility away from a potential defect or improperly completed recall repair. Safety Concern: The ECM is critical to safe vehicle operation. A failure can result in: •Engine malfunction or reduced power •Unpredictable vehicle behavior •Increased risk while driving If ECM failures are being misdiagnosed or incorrectly attributed to maintenance issues, this could allow serious safety defects to go unaddressed. Requested Action: I request that the federal safety agency: 1.Investigate whether ECM failures are being improperly attributed to maintenance issues such as engine sludge. 2.Review whether the recall repair (WRE21) was properly completed and whether it is related to thi

Filed Mar 4, 2026 · Transmission · TX

I own a 2024 Subaru Impreza (base trim, FB24 engine). The engine has developed repeated oil leaks into the spark plug wells due to failed spark plug tube seals / valve cover sealing on the same engine. The first occurrence was around 24,000 miles. The dealer found engine oil in the spark plug tubes, diagnosed leaking spark plug tube seals (and/or valve cover gasket), and performed repairs under warranty. At that time, the car was relatively new and maintained on schedule. The second occurrence happened again around 30,000 miles. The dealer again found oil in the spark plug tubes, indicating repeat failure of the same type of seals on this low‑mileage engine. This has already happened twice within approximately 6,000 miles on a 2024 vehicle. Oil in the spark plug tubes can cause misfires, rough running, and potential damage to ignition coils and the catalytic converter. It also raises concerns about stalling or loss of power if the misfires worsen while driving. I am concerned that this may be a systemic defect in the FB‑series engines used in late‑model Subaru vehicles, not normal wear. I am requesting that the federal safety agency track this issue as a potential safety‑related defect involving engine sealing components (spark plug tube seals / valve cover gaskets) that allow engine oil to leak into the spark plug wells on 2024 Subaru Impreza models at low mileage.

Filed Oct 22, 2025 · Transmission · VA

I am filing a complaint regarding a known issue with the CVT transmission in my 2014 Subaru Impreza, currently at approximately 80,000 miles. The CVT has started making a loud whining noise while driving. A licensed, independent repair shop diagnosed this as a likely early sign of internal CVT failure, advising that failure is imminent without repair or replacement. After researching the issue, I discovered that Subaru issued an extended warranty (WQA-86) specifically covering this known CVT defect. However, I was never notified of this extension or any service campaign. I learned about it only after experiencing symptoms and conducting my own research. By that time, the extended warranty had expired in February 2024 , only a few months before I began experiencing problems, despite my vehicle being well under the mileage limit for coverage. I maintain a service history with full documentation from licensed repair facilities. I submitted a goodwill assistance request to Subaru to cover the inspection and repair or replacement of the CVT based on this known defect and the professional assessment from my mechanic. Subaru denied the request solely because the extended warranty had expired by time, despite the fact that: I was never notified of the warranty extension or technical service bulletin (TSB). The issue is well documented and acknowledged by Subaru. My vehicle is still under the mileage limit. A qualified mechanic has confirmed early signs of failure. This is a serious safety concern, as CVT failure can lead to sudden loss of power or acceleration while driving. Subaru should be held accountable for notifying all affected owners about extended coverage related to known defects. I am requesting that Subaru be required to provide goodwill coverage or cost assistance for this repair, as the failure is directly related to a known manufacturer defect and the lack of notification prevented me from taking timely action.

Filed May 27, 2025 · Engine · CA

I was driving in my car had lost of power n started to make a noise n ALLL that so eather valve spring broke then messed up rod bearings n now to the point I can't drive my vehicle is like to know what to do next

Filed Apr 17, 2025 · Electrical · CA

Description of the Problem: On or about [XXX], my 2019 Subaru Impreza experienced a sudden engine failure. The check engine light illuminated, and the engine shut off. Specifically, the check engine light came on approximately two minutes into the drive, and the engine shut off within 30 seconds of the light appearing. The vehicle was taken to Albany Subaru in Albany, CA, where a technician diagnosed the issue as a blown 15 amp ignition fuse and a damaged ignition coil (#4). Albany Subaru is recommending replacement of the spark plugs, coil packs, and the fuse. Albany Subaru has stated that "Subaru sent the recall out due to defective coil packs, and had the new updated coil packs installed. My tech is recommending to replace the coil packs due to the fuse blowing out and shorting out the current coil packs. The #4 coil was found damaged during the inspection." Connection to Recall: I am concerned that this current failure is related to the original defect addressed by Recall 21V264000. My vehicle had the recall service performed on November 14, 2019, to replace the ignition coils. It appears that the replacement coils, or an issue related to the recall repair, may have failed, leading to the blown fuse and further coil damage. I have asked the service technician at Albany Subaru to specifically determine if the current failure is in any way related to the original defect or the replacement parts installed under the recall. Safety Concern: This sudden engine failure poses a significant safety risk. A loss of engine power while driving can lead to a crash, especially at higher speeds or in traffic. In my experience owning many vehicles, I have never encountered issues with ignition coils, nor have I experienced this frequency of recalls. Vehicle Information: • Year: 2019 • Make: Subaru • Model: Impreza • VIN: [XXX] • Mileage: 59,784 miles Recall Information: • the federal safety agency Recall Number: 21V264000, Service date: Nov 14, 2019 INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA),

Filed Feb 3, 2025 · Brakes, Electrical · 164,964 miles · PA

The contact owns a 2012 Subaru Impreza. The contact stated that while driving approximately 30-40 MPH, the vehicle lost power steering functionality and was driven with manual steering. The failure occurred while driving at various speeds. The contact stated that approximately four days after the first failure, the steering wheel failed to move. Additionally, the vehicle was losing oil and one quart of oil had to be added every month. The contact stated that the power steering, ABS, TPMS, transmission automatic transmission fluid (ATF), and 4-WD failure warning lights were illuminated. The passenger occupant sensor chimed for the passenger to secure the seat belt consistently even though the occupant was seated with the seat belt buckled securely. The contact who is a certified mechanic had replaced the rack and pinion. The contact noticed that the threads on the tie rods were close in proximately risking the chance of damaging the tie rods. The ABS module had been replaced. The contact believed that the engine needed to be replaced but the engine was not replaced. The manufacturer was made aware of the failure and opened a case. The manufacturer confirmed there was no recall for the failure. The manufacturer referred the contact to the federal safety agency Hotline to report the failure. The failure mileage was 164,964.

Filed Oct 14, 2023 · Steering, Suspension · CA

To whom this may concern, My name is [XXX] . I purchased my 2014 Subaru on December 13th, 2013. My car has 57,000 miles on it. It has loss of acceleration when entering a freeway. I push on the gas pedal harder and harder to try to get my car to obtain 60 mph. The car does not respond until minutes go by. The CVT transmission was replaced in June 2022. The car has not performed any better after the transmission replacement. I am the original owner of my car. Initially, my car performed very well, quick response to acceleration for the first 35-40 thousand miles. Then, it began to have lack of acceleration. The transmission was replaced by Subaru of America in June 2022 at around 48,000 miles. I brought my car to Elk Grove Subaru approximately 4 times since the transmission was replaced, each time I paid for their hourly diagnostic fee; between $165.00 to $195.00. Each time the service advisor said they found nothing wrong with my car. I took my car to two independent mechanics (One of them is a transmission repair shop) they each stated in writing that my transmission is slipping and has loss of power. I feel unsafe driving my car on the street as if shakes, shudders and jerks. I do not want to be a statistic in an accident on the freeway due to the lack of power trying to obtain speed while entering freeway and trying to keep my vehicle speed at a speed of barely 60 mph. My vehicle is still within the extended CVT warranty. I feel that the Subaru dealership is purposely avoiding acknowledgement of the failing transmission. Subaru is a big corporation. Many Subaru owners believe there needs to be an actual recall on their Subaru CVT transmissions. I do not feel safe driving my car. With 57,000 miles on a vehicle that's a potential safety hazard, Subaru needs to take more responsibility for their vehicles as people's lives are much more precious than their profit margins. Sincerely, [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Jun 27, 2023 · Brakes, Engine · CO

While driving on the highway in Denver, the engine stalled - I later learned that a valve spring broke and went through the engine, destroying it. I lost all power - lost braking - but was able to steer the vehicle off to the side of the road. I subsequently learned that about 160,000 Subarus - the same vehicle year, the same model car, the same exact engine - have been recalled by Subaru. However, this car, which suffered the same exact problem was considering "outside the window" of the recall. If I had been on the freeway at a normal rate of speed this could have been a very dangerous accident. My concern is hundreds if not thousands of these cars are still on the road and Subaru is well aware of the problem.